#coding=utf-8
#LightCam 文件管理程序
#init by hfh 20150301

import multiprocessing,subprocess,threading
import socket,os,time,re,traceback,sys
import lc_libs

def genthistime():
	time_struct=time.localtime()
	thistime={}
	thistime['year']=time.strftime('%Y',time_struct)
	thistime['month']=time.strftime('%m',time_struct)
	thistime['day']=time.strftime('%d',time_struct)
	thistime['hour']=time.strftime('%H',time_struct)
	thistime['mintue']=time.strftime('%M',time_struct)
	thistime['second']=time.strftime('%S',time_struct)
	return thistime

def func(this):
	try:
		
		#agent_hostname=this['agent_hostname']
		user=this['user']
		sfile=this['sfile']
		method=this['method']
		dfile=this['dfile']
		type=this['type']
		interval=this['interval']
		schedule=this['schedule']
		holiday=this['holiday']
		
		Node=agent_hostname
		#AlertGroup="MonitorLogFile"		
		#today=time.strftime('%Y%m%d',time.localtime())
		#filename=filename.replace('YYYYMMDD',today)
		
		thistime=genthistime()
		sfile=sfile.replace('%Y',thistime['year']).replace('%m',thistime['month']).replace('%d',thistime['day']).replace('%H',thistime['hour']).replace('%M',thistime['mintue']).replace('%S',thistime['second'])
		dfile=dfile.replace('%Y',thistime['year']).replace('%m',thistime['month']).replace('%d',thistime['day']).replace('%H',thistime['hour']).replace('%M',thistime['mintue']).replace('%S',thistime['second'])
		
		if os.path.exists(dfile)==True and type=='ignore':
			print "File already exist"
			return 0
		
		comdline=""
		
		if user=='imonitor':
			pass
		elif user=='root':
			comdline+="cd "+lchome+"/nexec;./nexec.root su root -c "
		else:
			#comdline+="cd "+lchome+"/nexec;./nexec." + user + " "
			comdline+="cd "+lchome+"/nexec;./nexec.root su " + user + " -c "
		
		#第一类操作
		if 'mv' in method:
			comd=comdline+"\\\"mv "+sfile+" "+dfile+"\\\""
			print comd
			os.system(comd)
		elif 'cp' in method:
			comd=comdline+"\\\"cp "+sfile+" "+dfile+"\\\""
			print comd
			os.system(comd)
		elif 'tgz' in method:
			comd=comdline+"\\\"tar zcvf "+dfile+" "+sfile+"\\\""
			print comd
			os.system(comd)
		elif 'scp' in method:
			comd=comdline+"\\\"scp -r "+sfile+" "+dfile+"\\\""
			print comd
			os.system(comd)
		elif 'tar' in method:
			comd=comdline+"\\\"tar cvf "+dfile+" "+sfile+"\\\""
			print comd
			os.system(comd)
		elif 'gzip' in method:
			comd=comdline+"\\\"gzip "+sfile+" "+dfile+"\\\""
			print comd
			os.system(comd)
			
		#第二类操作
		if 'touch' in method:
			comd=comdline+"\\\"touch "+sfile+"\\\""
			os.system(comd)
			print comd
		elif 'rm' in method:
			comd=comdline+"\\\"rm -rf "+sfile+"\\\""
			print comd
			os.system(comd)
		elif '>' in method:
			comd=comdline+"\\\"\\> "+sfile+"\\\""
			print comd
			os.system(comd)


	except Exception:
		excinfo=traceback.format_exc()
		print excinfo
		logdate=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
		logfile.write(logdate+" :\n"+excinfo+"\n")
		logfile.flush()
		time.sleep(10)
		
if __name__ == "__main__":

	lchome=lc_libs.lc_getlchome()
	scname=sys.argv[0].split('.')[0]
	logfilename=lchome+'/log/'+scname+'.log'
	confname=lchome+'/conf/'+scname+'.conf'
	
	today=time.strftime('%Y%m%d',time.localtime())
	os.system("mv %s %s.%s" % (logfilename,logfilename,today))
	
	logfile=file(logfilename,'a')
	logdate=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
	logfile.write(logdate+" Started.\n")
	logfile.flush()
	
	agent_hostname=lc_libs.lc_gethostname()
	
	#初始化events数据库
	#dbfile="../db/lc_events.db"
	#tablename="lc_events"
	#tablefield="Node varchar(32),AlertGroup varchar(64),AlertKey varchar(64),Severity varchar(8),Type varchar(8),LastOccurrence varchar(32),Summary varchar(256)"
	#db=lc_libs.lc_dboperater(dbfile,tablename,tablefield)
	#db.create_db()
	#db.close_db()

	try:
		#初始化数据库
		db=lc_libs.lc_mongodb_operater('127.0.0.1',27017)

		db.connect()
		Conn=db.getConn()
		if Conn==None:
			print "Can not Connect to the MondbDB"
			exit(0)
		
		events_dbname='lc_events'
		events_tablename='lc_events'
		
		history_dbname='lc_history'
		history_tablename="lc_logfile"
		
		events_db=db.useDatabase(events_dbname)
		events_table=db.UseCollection(events_db,events_tablename)
		
		history_db=db.useDatabase(history_dbname)
		history_table=db.UseCollection(history_db,history_tablename)

	except Exception:
		excinfo=traceback.format_exc()
		logdate=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
		logfile.write(logdate+" 初始化数据库失败:\n"+excinfo+"\n")
		logfile.flush()
		exit(0)


	MonitorList = []


	for lines in open(confname):
		#if line[0] == '#' or agent_hostname != line.split("\t")[0]:
		if lines[0] == '#' or lines.split("\t")[0] not in (agent_hostname,'default'):
			continue

		line=lines.strip('\r\n').split('\t')
		dconf={}
		
		#dconf['agent_hostname']=line[0]
		dconf['user']=line[1]
		dconf['sfile']=line[2]
		dconf['method']=line[3]
		dconf['dfile']=line[4]
		dconf['type']=line[5]
		dconf['interval']=line[6]
		dconf['schedule']=line[7]
		dconf['holiday']=line[8]
		
		MonitorList.append(dconf)

	usedtime=0
	
	while True:
		time.sleep(1)
		realtime=int(time.time())
		
		logdate=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
		holiday_state = lc_libs.lc_isholiday()
		
		threads = []
		for i in MonitorList:
			#if int(i['holiday']) == 1 and holiday_state == True:
			#	continue
			#	
			#time_state = lc_libs.lc_schedule(i['schedule'])
			#if time_state == False:
			#	continue
			
			flag=realtime%int(i['interval'])
			#print flag
			if flag<=usedtime:
				#print i
				t = threading.Thread(target=func,args=(i,))
				threads.append(t)
		
		for t in threads:
			t.start()
			while True:
				#print len(threading.enumerate())
				time.sleep(0.01)
				if(len(threading.enumerate()) < 10):
					break

		#排除执行程序导致的时间差
		usedtime=int(time.time())-realtime
		#print "usedtime:%s" % usedtime
